SECURITY AND CONFIDENTIALITYThe security lock comes with a carrying pouch, so you can put it in a pocket or purse, and it can be used during a stay in a hotel or any other short-term rental. WhenIf you fall asleep, someone outside the door cannot open the door with the key, which greatly improves your security.EASY TO USEPortable security door locks can be quickly installed and removed without any tools or drilling, making them an indispensable travel security assistant. The first step is to open the door and...Insert the metal piece into the slot of the door lock; the second step is to close the door, then put the red handle groove onto the stud of the metal piece, the installation is complete.Widely used. Perfect for motels, hotels, resorts, dormitories, apartment security, short-term rentals, bathrooms, bedrooms, etc. It can also be used to keep pets out.They don't go out and to prevent children from opening their doors to strangers. The security of the door lock is the second layer of protection; you should also lock your door, instead of relying on it.Portable door locksThey are suitable for doors that have hinges and open inwards; there must be a suitable door seal (door seal ≥ 3 mm); the improved door locks come in two different sizes.door holes